package com.mirei.config;import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;import org.springframework.amqp.support.converter.MessageConverter;import org.springframework.context.annotation.Bean;import org.springframework.context.annotation.Configuration;@Configurationpublic class RabbitConfig {    @Bean    public MessageConverter messageConverter(){        return new Jackson2JsonMessageConverter();    }}